Build:
  1. 0
2026-09-28 15:58.39: New job: build eio.1.3+ox (eedf08f60ad7)
2026-09-28 15:58.39: Waiting for resource in pool day11-builds
2026-09-28 16:03.12: Got resource from pool day11-builds
2026-09-28 16:03.12: [profile oxcaml-odoc-master] build eio.1.3+ox
2026-09-28 16:03.12: build eio.1.3+ox (eedf08f60ad7)
=== DEPENDENCIES (26 transitive) ===
  base-threads.base                                  ddcab511c589
  base-unix.base                                     742554e1dbc2
  bigstringaf.0.10.0                                 179b7b76aacd
  cmdliner.2.1.1                                     9f81d96a817a
  conf-autoconf.1                                    43fe4a407b7a
  conf-which.1                                       5fccb3a41099
  csexp.1.5.2                                        3c06ba8afc7b
  cstruct.6.3.0                                      984f13901950
  domain-local-await.1.0.1                           0e5646b8282b
  dune.3.24.2                                        b5380714f1f1
  dune-configurator.3.22.2+ox                        41b0edae605a
  fmt.0.11.0                                         c76e5df6244f
  hmap.0.8.1                                         9a25940ab2b3
  lwt-dllist.1.1.0                                   51135756f093
  mtime.2.2.0                                        a3184d2496f0
  ocaml.5.4.0                                        74a2c67841c6
  ocaml-config.3                                     d58db97ddfef
  ocaml-variants.5.4.0+ox                            4babdc19da91
  ocamlbuild.0.16.1+ox                               55da2dcae837
  ocamlfind.1.9.8+ox                                 47b14ae6bc12
  optint.0.3.0                                       d2f770d80993
  oxcaml-compiler.5.4.0-ox7                          42053eeff39a
  psq.0.2.1                                          5f4ee4089f67
  seq.base                                           a53d1461208b
  thread-table.1.0.0                                 be7657334fd8
  topkg.1.1.1+ox                                     6335c019c657
=== STDOUT ===
Processing: [default: loading data]
[eio.1.3+ox: git]
[eio.1.3+ox: git]
[eio.1.3+ox: git]
[eio.1.3+ox: git]
[eio.1.3+ox: git]
[eio.1.3+ox: git]
[eio.1.3+ox: git]
[eio.1.3+ox: git]
[eio.1.3+ox: git]
[eio.1.3+ox: git]
[eio.1.3+ox: git]
[eio.1.3+ox: git]
[eio.1.3+ox: git]
-> retrieved eio.1.3+ox  (git+https://github.com/oxcaml/eio.git#7de26f5331f1e7aac1c086a5ebe849dd940b5c3e)
[eio: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "eio" "-j" "39" "@install" (CWD=/home/opam/.opam/default/.opam-switch/build/eio.1.3+ox)
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I lib_eio/core/.eio__core.objs/byte -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/optint -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -cmi-file lib_eio/core/.eio__core.objs/byte/eio__core__Trace.cmi -no-alias-deps -open Eio__core__ -o lib_eio/core/.eio__core.objs/byte/eio__core__Trace.cmo -c -impl lib_eio/core/trace.ml)
- File "lib_eio/core/trace.ml", line 10, characters 2-20:
- 10 |   Domain.DLS.new_key (fun () -> Atomic.fetch_and_add next_id_chunk id_chunk_size)
-        ^^^^^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Domain.DLS.new_key
- Use [Domain.Safe.DLS.new_key].
- 
- File "lib_eio/core/trace.ml", line 13, characters 22-36:
- 13 |   let next_id_local = Domain.DLS.get next_id_key in
-                            ^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Domain.DLS.get
- Use [Domain.Safe.DLS.get].
- 
- File "lib_eio/core/trace.ml", line 21, characters 2-16:
- 21 |   Domain.DLS.set next_id_key next_id_local_succ;
-        ^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Domain.DLS.set
- Use [Domain.Safe.DLS.set].
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I lib_eio/core/.eio__core.objs/byte -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/optint -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -no-alias-deps -open Eio__core__ -o lib_eio/core/.eio__core.objs/byte/eio__core__Exn.cmo -c -impl lib_eio/core/exn.ml)
- File "lib_eio/core/exn.ml", line 90, characters 2-27:
- 90 |   Printexc.register_printer @@ function
-        ^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Printexc.register_printer
- Use [Printexc.Safe.register_printer].
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I lib_eio/core/.eio__core.objs/byte -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/optint -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -no-alias-deps -open Eio__core__ -o lib_eio/core/.eio__core.objs/byte/eio__core__Cancel.cmo -c -impl lib_eio/core/cancel.ml)
- File "lib_eio/core/cancel.ml", line 123, characters 12-26:
- 123 |   let ctx = Effect.perform Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/cancel.ml", line 175, characters 12-26:
- 175 |   let ctx = Effect.perform Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/cancel.ml", line 187, characters 12-26:
- 187 |   let ctx = Effect.perform Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/cancel.ml", line 226, characters 10-24:
- 226 |     vars (Effect.perform Get_context)
-                 ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I lib_eio/core/.eio__core.objs/byte -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/optint -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -no-alias-deps -open Eio__core__ -o lib_eio/core/.eio__core.objs/byte/eio__core__Suspend.cmo -c -impl lib_eio/core/suspend.ml)
- File "lib_eio/core/suspend.ml", line 6, characters 2-16:
- 6 |   Effect.perform (Suspend fn)
-       ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I lib_eio/core/.eio__core.objs/byte -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/optint -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -no-alias-deps -open Eio__core__ -o lib_eio/core/.eio__core.objs/byte/eio__core__Switch.cmo -c -impl lib_eio/core/switch.ml)
- File "lib_eio/core/switch.ml", line 155, characters 12-26:
- 155 |   let ctx = Effect.perform Cancel.Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/switch.ml", line 165, characters 12-26:
- 165 |   let ctx = Effect.perform Cancel.Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/switch.ml", line 175, characters 2-27:
- 175 |   Printexc.register_printer (function
-         ^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Printexc.register_printer
- Use [Printexc.Safe.register_printer].
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib_eio/core/.eio__core.objs/byte -I lib_eio/core/.eio__core.objs/native -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/optint -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/native -cmi-file lib_eio/core/.eio__core.objs/byte/eio__core__Trace.cmi -no-alias-deps -open Eio__core__ -o lib_eio/core/.eio__core.objs/native/eio__core__Trace.cmx -c -impl lib_eio/core/trace.ml)
- File "lib_eio/core/trace.ml", line 10, characters 2-20:
- 10 |   Domain.DLS.new_key (fun () -> Atomic.fetch_and_add next_id_chunk id_chunk_size)
-        ^^^^^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Domain.DLS.new_key
- Use [Domain.Safe.DLS.new_key].
- 
- File "lib_eio/core/trace.ml", line 13, characters 22-36:
- 13 |   let next_id_local = Domain.DLS.get next_id_key in
-                            ^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Domain.DLS.get
- Use [Domain.Safe.DLS.get].
- 
- File "lib_eio/core/trace.ml", line 21, characters 2-16:
- 21 |   Domain.DLS.set next_id_key next_id_local_succ;
-        ^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Domain.DLS.set
- Use [Domain.Safe.DLS.set].
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib_eio/core/.eio__core.objs/byte -I lib_eio/core/.eio__core.objs/native -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/optint -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/native -cmi-file lib_eio/core/.eio__core.objs/byte/eio__core__Exn.cmi -no-alias-deps -open Eio__core__ -o lib_eio/core/.eio__core.objs/native/eio__core__Exn.cmx -c -impl lib_eio/core/exn.ml)
- File "lib_eio/core/exn.ml", line 90, characters 2-27:
- 90 |   Printexc.register_printer @@ function
-        ^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Printexc.register_printer
- Use [Printexc.Safe.register_printer].
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I lib_eio/core/.eio__core.objs/byte -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/optint -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -no-alias-deps -open Eio__core__ -o lib_eio/core/.eio__core.objs/byte/eio__core__Fiber.cmo -c -impl lib_eio/core/fiber.ml)
- File "lib_eio/core/fiber.ml", line 11, characters 2-16:
- 11 |   Effect.perform (Fork (new_fiber, f))
-        ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/fiber.ml", line 170, characters 12-26:
- 170 |   let ctx = Effect.perform Cancel.Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/fiber.ml", line 174, characters 12-26:
- 174 |   let ctx = Effect.perform Cancel.Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/fiber.ml", line 291, characters 12-26:
- 291 |   let ctx = Effect.perform Cancel.Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/fiber.ml", line 295, characters 12-26:
- 295 |   let ctx = Effect.perform Cancel.Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib_eio/core/.eio__core.objs/byte -I lib_eio/core/.eio__core.objs/native -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/optint -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/native -cmi-file lib_eio/core/.eio__core.objs/byte/eio__core__Cancel.cmi -no-alias-deps -open Eio__core__ -o lib_eio/core/.eio__core.objs/native/eio__core__Cancel.cmx -c -impl lib_eio/core/cancel.ml)
- File "lib_eio/core/cancel.ml", line 123, characters 12-26:
- 123 |   let ctx = Effect.perform Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/cancel.ml", line 175, characters 12-26:
- 175 |   let ctx = Effect.perform Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/cancel.ml", line 187, characters 12-26:
- 187 |   let ctx = Effect.perform Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/cancel.ml", line 226, characters 10-24:
- 226 |     vars (Effect.perform Get_context)
-                 ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib_eio/core/.eio__core.objs/byte -I lib_eio/core/.eio__core.objs/native -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/optint -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/native -cmi-file lib_eio/core/.eio__core.objs/byte/eio__core__Suspend.cmi -no-alias-deps -open Eio__core__ -o lib_eio/core/.eio__core.objs/native/eio__core__Suspend.cmx -c -impl lib_eio/core/suspend.ml)
- File "lib_eio/core/suspend.ml", line 6, characters 2-16:
- 6 |   Effect.perform (Suspend fn)
-       ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib_eio/core/.eio__core.objs/byte -I lib_eio/core/.eio__core.objs/native -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/optint -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/native -cmi-file lib_eio/core/.eio__core.objs/byte/eio__core__Switch.cmi -no-alias-deps -open Eio__core__ -o lib_eio/core/.eio__core.objs/native/eio__core__Switch.cmx -c -impl lib_eio/core/switch.ml)
- File "lib_eio/core/switch.ml", line 155, characters 12-26:
- 155 |   let ctx = Effect.perform Cancel.Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/switch.ml", line 165, characters 12-26:
- 165 |   let ctx = Effect.perform Cancel.Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/switch.ml", line 175, characters 2-27:
- 175 |   Printexc.register_printer (function
-         ^^^^^^^^^^^^^^^^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Printexc.register_printer
- Use [Printexc.Safe.register_printer].
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I lib_eio/unix/.eio_unix.objs/byte -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/domain-local-await -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/mtime -I /home/opam/.opam/default/lib/mtime/clock -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/optint -I /home/opam/.opam/default/lib/psq -I /home/opam/.opam/default/lib/seq -I /home/opam/.opam/default/lib/thread-table -I lib_eio/.eio.objs/byte -I lib_eio/core/.eio__core.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/utils/.eio_utils.objs/byte -cmi-file lib_eio/unix/.eio_unix.objs/byte/eio_unix__Thread_pool.cmi -no-alias-deps -open Eio_unix__ -o lib_eio/unix/.eio_unix.objs/byte/eio_unix__Thread_pool.cmo -c -impl lib_eio/unix/thread_pool.ml)
- File "lib_eio/unix/thread_pool.ml", line 124, characters 13-27:
- 124 |   let r, t = Effect.perform (Run_in_systhread fn) in
-                    ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I lib_eio/unix/.eio_unix.objs/byte -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/domain-local-await -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/mtime -I /home/opam/.opam/default/lib/mtime/clock -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/optint -I /home/opam/.opam/default/lib/psq -I /home/opam/.opam/default/lib/seq -I /home/opam/.opam/default/lib/thread-table -I lib_eio/.eio.objs/byte -I lib_eio/core/.eio__core.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/utils/.eio_utils.objs/byte -no-alias-deps -open Eio_unix__ -o lib_eio/unix/.eio_unix.objs/byte/eio_unix__Private.cmo -c -impl lib_eio/unix/private.ml)
- File "lib_eio/unix/private.ml", line 12, characters 24-38:
- 12 | let await_readable fd = Effect.perform (Await_readable fd)
-                              ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/unix/private.ml", line 13, characters 24-38:
- 13 | let await_writable fd = Effect.perform (Await_writable fd)
-                              ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/unix/private.ml", line 15, characters 14-28:
- 15 | let pipe sw = Effect.perform (Pipe sw)
-                    ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib_eio/core/.eio__core.objs/byte -I lib_eio/core/.eio__core.objs/native -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/optint -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/native -cmi-file lib_eio/core/.eio__core.objs/byte/eio__core__Fiber.cmi -no-alias-deps -open Eio__core__ -o lib_eio/core/.eio__core.objs/native/eio__core__Fiber.cmx -c -impl lib_eio/core/fiber.ml)
- File "lib_eio/core/fiber.ml", line 11, characters 2-16:
- 11 |   Effect.perform (Fork (new_fiber, f))
-        ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/fiber.ml", line 170, characters 12-26:
- 170 |   let ctx = Effect.perform Cancel.Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/fiber.ml", line 174, characters 12-26:
- 174 |   let ctx = Effect.perform Cancel.Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/fiber.ml", line 291, characters 12-26:
- 291 |   let ctx = Effect.perform Cancel.Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/core/fiber.ml", line 295, characters 12-26:
- 295 |   let ctx = Effect.perform Cancel.Get_context in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I lib_eio/unix/.eio_unix.objs/byte -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/domain-local-await -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/mtime -I /home/opam/.opam/default/lib/mtime/clock -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/optint -I /home/opam/.opam/default/lib/psq -I /home/opam/.opam/default/lib/seq -I /home/opam/.opam/default/lib/thread-table -I lib_eio/.eio.objs/byte -I lib_eio/core/.eio__core.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/utils/.eio_utils.objs/byte -cmi-file lib_eio/unix/.eio_unix.objs/byte/eio_unix__Process.cmi -no-alias-deps -open Eio_unix__ -o lib_eio/unix/.eio_unix.objs/byte/eio_unix__Process.cmo -c -impl lib_eio/unix/process.ml)
- File "lib_eio/unix/process.ml", line 152, characters 7-17:
- 152 |   Sys.(set_signal sigchld) (Signal_handle (fun (_:int) -> Eio.Condition.broadcast sigchld))
-              ^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Sys.set_signal
- Use [Sys.Safe.set_signal].
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I lib_eio/unix/.eio_unix.objs/byte -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/domain-local-await -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/mtime -I /home/opam/.opam/default/lib/mtime/clock -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/optint -I /home/opam/.opam/default/lib/psq -I /home/opam/.opam/default/lib/seq -I /home/opam/.opam/default/lib/thread-table -I lib_eio/.eio.objs/byte -I lib_eio/core/.eio__core.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/utils/.eio_utils.objs/byte -cmi-file lib_eio/unix/.eio_unix.objs/byte/eio_unix.cmi -no-alias-deps -open Eio_unix__ -o lib_eio/unix/.eio_unix.objs/byte/eio_unix.cmo -c -impl lib_eio/unix/eio_unix.ml)
- File "lib_eio/unix/eio_unix.ml", line 23, characters 23-37:
- 23 |   Eio.Time.Mono.sleep (Effect.perform Private.Get_monotonic_clock) d
-                             ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- (cd _build/default && /home/opam/.opam/default/bin/ocamlc.opt -w -40 -g -bin-annot -bin-annot-occurrences -bin-annot-cms -I lib_eio/unix/.eio_unix.objs/byte -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/domain-local-await -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/mtime -I /home/opam/.opam/default/lib/mtime/clock -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/optint -I /home/opam/.opam/default/lib/psq -I /home/opam/.opam/default/lib/seq -I /home/opam/.opam/default/lib/thread-table -I lib_eio/.eio.objs/byte -I lib_eio/core/.eio__core.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/utils/.eio_utils.objs/byte -cmi-file lib_eio/unix/.eio_unix.objs/byte/eio_unix__Net.cmi -no-alias-deps -open Eio_unix__ -o lib_eio/unix/.eio_unix.objs/byte/eio_unix__Net.cmo -c -impl lib_eio/unix/net.ml)
- File "lib_eio/unix/net.ml", line 76, characters 17-31:
- 76 |   open_stream @@ Effect.perform (Import_socket_stream (sw, close_unix, fd))
-                       ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/unix/net.ml", line 79, characters 20-34:
- 79 |   open_listening @@ Effect.perform (Import_socket_listening (sw, close_unix, fd))
-                          ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/unix/net.ml", line 82, characters 19-33:
- 82 |   open_datagram @@ Effect.perform (Import_socket_datagram (sw, close_unix, fd))
-                         ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/unix/net.ml", line 85, characters 13-27:
- 85 |   let a, b = Effect.perform (Socketpair_stream (sw, domain, protocol)) in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/unix/net.ml", line 89, characters 13-27:
- 89 |   let a, b = Effect.perform (Socketpair_datagram (sw, domain, protocol)) in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib_eio/unix/.eio_unix.objs/byte -I lib_eio/unix/.eio_unix.objs/native -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/domain-local-await -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/mtime -I /home/opam/.opam/default/lib/mtime/clock -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/optint -I /home/opam/.opam/default/lib/psq -I /home/opam/.opam/default/lib/seq -I /home/opam/.opam/default/lib/thread-table -I lib_eio/.eio.objs/byte -I lib_eio/.eio.objs/native -I lib_eio/core/.eio__core.objs/byte -I lib_eio/core/.eio__core.objs/native -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/native -I lib_eio/utils/.eio_utils.objs/byte -I lib_eio/utils/.eio_utils.objs/native -cmi-file lib_eio/unix/.eio_unix.objs/byte/eio_unix__Thread_pool.cmi -no-alias-deps -open Eio_unix__ -o lib_eio/unix/.eio_unix.objs/native/eio_unix__Thread_pool.cmx -c -impl lib_eio/unix/thread_pool.ml)
- File "lib_eio/unix/thread_pool.ml", line 124, characters 13-27:
- 124 |   let r, t = Effect.perform (Run_in_systhread fn) in
-                    ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib_eio/unix/.eio_unix.objs/byte -I lib_eio/unix/.eio_unix.objs/native -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/domain-local-await -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/mtime -I /home/opam/.opam/default/lib/mtime/clock -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/optint -I /home/opam/.opam/default/lib/psq -I /home/opam/.opam/default/lib/seq -I /home/opam/.opam/default/lib/thread-table -I lib_eio/.eio.objs/byte -I lib_eio/.eio.objs/native -I lib_eio/core/.eio__core.objs/byte -I lib_eio/core/.eio__core.objs/native -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/native -I lib_eio/utils/.eio_utils.objs/byte -I lib_eio/utils/.eio_utils.objs/native -cmi-file lib_eio/unix/.eio_unix.objs/byte/eio_unix__Net.cmi -no-alias-deps -open Eio_unix__ -o lib_eio/unix/.eio_unix.objs/native/eio_unix__Net.cmx -c -impl lib_eio/unix/net.ml)
- File "lib_eio/unix/net.ml", line 76, characters 17-31:
- 76 |   open_stream @@ Effect.perform (Import_socket_stream (sw, close_unix, fd))
-                       ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/unix/net.ml", line 79, characters 20-34:
- 79 |   open_listening @@ Effect.perform (Import_socket_listening (sw, close_unix, fd))
-                          ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/unix/net.ml", line 82, characters 19-33:
- 82 |   open_datagram @@ Effect.perform (Import_socket_datagram (sw, close_unix, fd))
-                         ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/unix/net.ml", line 85, characters 13-27:
- 85 |   let a, b = Effect.perform (Socketpair_stream (sw, domain, protocol)) in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/unix/net.ml", line 89, characters 13-27:
- 89 |   let a, b = Effect.perform (Socketpair_datagram (sw, domain, protocol)) in
-                   ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib_eio/unix/.eio_unix.objs/byte -I lib_eio/unix/.eio_unix.objs/native -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/domain-local-await -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/mtime -I /home/opam/.opam/default/lib/mtime/clock -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/optint -I /home/opam/.opam/default/lib/psq -I /home/opam/.opam/default/lib/seq -I /home/opam/.opam/default/lib/thread-table -I lib_eio/.eio.objs/byte -I lib_eio/.eio.objs/native -I lib_eio/core/.eio__core.objs/byte -I lib_eio/core/.eio__core.objs/native -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/native -I lib_eio/utils/.eio_utils.objs/byte -I lib_eio/utils/.eio_utils.objs/native -cmi-file lib_eio/unix/.eio_unix.objs/byte/eio_unix__Private.cmi -no-alias-deps -open Eio_unix__ -o lib_eio/unix/.eio_unix.objs/native/eio_unix__Private.cmx -c -impl lib_eio/unix/private.ml)
- File "lib_eio/unix/private.ml", line 12, characters 24-38:
- 12 | let await_readable fd = Effect.perform (Await_readable fd)
-                              ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/unix/private.ml", line 13, characters 24-38:
- 13 | let await_writable fd = Effect.perform (Await_writable fd)
-                              ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- 
- File "lib_eio/unix/private.ml", line 15, characters 14-28:
- 15 | let pipe sw = Effect.perform (Pipe sw)
-                    ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib_eio/unix/.eio_unix.objs/byte -I lib_eio/unix/.eio_unix.objs/native -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/domain-local-await -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/mtime -I /home/opam/.opam/default/lib/mtime/clock -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/optint -I /home/opam/.opam/default/lib/psq -I /home/opam/.opam/default/lib/seq -I /home/opam/.opam/default/lib/thread-table -I lib_eio/.eio.objs/byte -I lib_eio/.eio.objs/native -I lib_eio/core/.eio__core.objs/byte -I lib_eio/core/.eio__core.objs/native -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/native -I lib_eio/utils/.eio_utils.objs/byte -I lib_eio/utils/.eio_utils.objs/native -cmi-file lib_eio/unix/.eio_unix.objs/byte/eio_unix__Process.cmi -no-alias-deps -open Eio_unix__ -o lib_eio/unix/.eio_unix.objs/native/eio_unix__Process.cmx -c -impl lib_eio/unix/process.ml)
- File "lib_eio/unix/process.ml", line 152, characters 7-17:
- 152 |   Sys.(set_signal sigchld) (Signal_handle (fun (_:int) -> Eio.Condition.broadcast sigchld))
-              ^^^^^^^^^^
- Alert unsafe_multidomain: Stdlib.Sys.set_signal
- Use [Sys.Safe.set_signal].
- (cd _build/default && /home/opam/.opam/default/bin/ocamlopt.opt -w -40 -g -I lib_eio/unix/.eio_unix.objs/byte -I lib_eio/unix/.eio_unix.objs/native -I /home/opam/.opam/default/lib/bigstringaf -I /home/opam/.opam/default/lib/cstruct -I /home/opam/.opam/default/lib/domain-local-await -I /home/opam/.opam/default/lib/fmt -I /home/opam/.opam/default/lib/hmap -I /home/opam/.opam/default/lib/lwt-dllist -I /home/opam/.opam/default/lib/mtime -I /home/opam/.opam/default/lib/mtime/clock -I /home/opam/.opam/default/lib/ocaml/runtime_events -I /home/opam/.opam/default/lib/ocaml/threads -I /home/opam/.opam/default/lib/ocaml/unix -I /home/opam/.opam/default/lib/optint -I /home/opam/.opam/default/lib/psq -I /home/opam/.opam/default/lib/seq -I /home/opam/.opam/default/lib/thread-table -I lib_eio/.eio.objs/byte -I lib_eio/.eio.objs/native -I lib_eio/core/.eio__core.objs/byte -I lib_eio/core/.eio__core.objs/native -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/native -I lib_eio/utils/.eio_utils.objs/byte -I lib_eio/utils/.eio_utils.objs/native -cmi-file lib_eio/unix/.eio_unix.objs/byte/eio_unix.cmi -no-alias-deps -open Eio_unix__ -o lib_eio/unix/.eio_unix.objs/native/eio_unix.cmx -c -impl lib_eio/unix/eio_unix.ml)
- File "lib_eio/unix/eio_unix.ml", line 23, characters 23-37:
- 23 |   Eio.Time.Mono.sleep (Effect.perform Private.Get_monotonic_clock) d
-                             ^^^^^^^^^^^^^^
- Alert unsafe_effects: Stdlib.Effect.perform
- Use [Effect.Safe.perform]. [Effect.perform] may not function correctly on Js_of_ocaml
-> compiled  eio.1.3+ox
-> installed eio.1.3+ox

=== STDERR ===

2026-09-28 16:03.54: OK: build eio.1.3+ox (runc: 27.2s, disk: 43KB)
2026-09-28 16:03.54: Job succeeded